[INFO] crate cribbage-core 0.1.1 is already in cache
[INFO] testing cribbage-core-0.1.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate cribbage-core 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cribbage-core 0.1.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cribbage-core 0.1.1
[INFO] finished tweaking crates.io crate cribbage-core 0.1.1
[INFO] tweaked toml for crates.io crate cribbage-core 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate cribbage-core 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 091eecf1054c0c36a7b31355fe886fb47feceb61500912bb9a1ab281157ceda3
[INFO] running `Command { std: "docker" "start" "-a" "091eecf1054c0c36a7b31355fe886fb47feceb61500912bb9a1ab281157ceda3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "091eecf1054c0c36a7b31355fe886fb47feceb61500912bb9a1ab281157ceda3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "091eecf1054c0c36a7b31355fe886fb47feceb61500912bb9a1ab281157ceda3", kill_on_drop: false }`
[INFO] [stdout] 091eecf1054c0c36a7b31355fe886fb47feceb61500912bb9a1ab281157ceda3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 077e9b572303a85d71b289619a22cc8aaca7a0327a7f356d07578ea55fd08e53
[INFO] running `Command { std: "docker" "start" "-a" "077e9b572303a85d71b289619a22cc8aaca7a0327a7f356d07578ea55fd08e53", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling cribbage-core v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.52s
[INFO] running `Command { std: "docker" "inspect" "077e9b572303a85d71b289619a22cc8aaca7a0327a7f356d07578ea55fd08e53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "077e9b572303a85d71b289619a22cc8aaca7a0327a7f356d07578ea55fd08e53", kill_on_drop: false }`
[INFO] [stdout] 077e9b572303a85d71b289619a22cc8aaca7a0327a7f356d07578ea55fd08e53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 824e86b01a49df18600259364e2e1a140d4384a56752d24dc07f59689cef3c2e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "824e86b01a49df18600259364e2e1a140d4384a56752d24dc07f59689cef3c2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cribbage-core v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.65s
[INFO] running `Command { std: "docker" "inspect" "824e86b01a49df18600259364e2e1a140d4384a56752d24dc07f59689cef3c2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "824e86b01a49df18600259364e2e1a140d4384a56752d24dc07f59689cef3c2e", kill_on_drop: false }`
[INFO] [stdout] 824e86b01a49df18600259364e2e1a140d4384a56752d24dc07f59689cef3c2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cad0fa198cf330c08068a99b6d02e73c0d687020dc24426236c16c0eda02d84e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cad0fa198cf330c08068a99b6d02e73c0d687020dc24426236c16c0eda02d84e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cribbage_core-1492200e1f0f6f24
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test board::tests::test_four_player_board ... ok
[INFO] [stdout] test card::test::test_rank_to_string ... ok
[INFO] [stdout] test pegging::test::test_play_card ... ok
[INFO] [stdout] test deck::tests::test_shuffle ... ok
[INFO] [stdout] test deck::tests::test_new_shuffle ... ok
[INFO] [stdout] test deck::tests::test_new ... ok
[INFO] [stdout] test card::test::test_suit_to_string ... ok
[INFO] [stdout] test pegging::test::test_is_run ... ok
[INFO] [stdout] test deck::tests::test_draw ... ok
[INFO] [stdout] test board::tests::test_two_player_board ... ok
[INFO] [stdout] test deck::tests::test_draw_n ... ok
[INFO] [stderr] 
[INFO] [stderr] thread 'card::test::test_card_to_string' has overflowed its stack
[INFO] [stdout] test board::tests::test_three_player_board ... ok
[INFO] [stderr] fatal runtime error: stack overflow
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/cribbage_core-1492200e1f0f6f24` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "cad0fa198cf330c08068a99b6d02e73c0d687020dc24426236c16c0eda02d84e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cad0fa198cf330c08068a99b6d02e73c0d687020dc24426236c16c0eda02d84e", kill_on_drop: false }`
[INFO] [stdout] cad0fa198cf330c08068a99b6d02e73c0d687020dc24426236c16c0eda02d84e